Question
Zoe has 3 times as many marbles as Barbara. Barbara has 37 as many marbles as Dana. If the three of them have a total of 57 marbles, how many marbles does Zoe have?
2 m

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Zoe has 3 times as many marbles as Barbara. Barbara has 37 as many marbles as Dana. If the three of them have a total of 57 marbles, how many marbles does Zoe have?